Product conveyance system, product conveyance robot, and storage box

Abstract

A product conveyance system includes: a storage box in which a product is stored; and a product conveyance robot including a travel portion and a holding portion provided above the travel portion and configured to hold the storage box. The holding portion includes a pair of support columns provided in a standing manner with an interval between the support columns in the width direction. Each of the support columns includes: one or more support rails configured to support the storage box in the height direction, the storage box being placed between the support columns; and one or more lock pins provided on a facing surface of the each of the support columns, the facing surface facing the other one of the support columns, the one or more lock pins being configured to protrude and retract in the width direction.

What is claimed is: 
     
         1 . A storage box in which a product is stored, the storage box being configured to be held by a product conveyance robot, the storage box comprising:
 a bottom wall;   a peripheral wall provided in a standing manner from the bottom wall;   a cover configured to cover a takeout opening from above, the takeout opening being an upper end opening of the peripheral wall;   ear portions hanging downward from both ends of the cover in the width direction; and   engageable recessed portions formed at least in the ear portions, each of the engageable recessed portions being configured such that a corresponding one of lock pins provided in the product conveyance robot engages with the each of the engageable recessed portions.   
     
     
         2 . The storage box according to  claim 1 , wherein;
 the storage box is changeable between an assembled posture and a folded posture, the assembled posture being a posture in which the peripheral wall stands at a right angle from the bottom wall, the folded posture being a posture in which at least part of the peripheral wall and the cover are parallel to the bottom wall;   a plane size of the storage box in the folded posture is the same as a plane size of the storage box in the assembled posture; and   at least part of the peripheral wall is sandwiched between the cover and the ear portions in the folded posture.   
     
     
         3 . The storage box according to  claim 1 , further comprising a transmitter configured to output a position tracking signal detectable by an external device.